7172250 has 64 divisors (see below), whose sum is σ = 18285696. Its totient is φ = 1872000.

The previous prime is 7172237. The next prime is 7172267. The reversal of 7172250 is 522717.

It is a self number, because there is not a number n which added to its sum of digits gives 7172250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54685 + ... + 54815.

It is an arithmetic number, because the mean of its divisors is an integer number (285714).

Almost surely, 2^7172250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7172250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9142848).

7172250 is an abundant number, since it is smaller than the sum of its proper divisors (11113446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7172250 is a wasteful number, since it uses less digits than its factorization.

7172250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 7172250 is about 2678.1056737926. The cubic root of 7172250 is about 192.8494803932.

Adding to 7172250 its reverse (522717), we get a palindrome (7694967).

The spelling of 7172250 in words is "seven million, one hundred seventy-two thousand, two hundred fifty".